var imgPath="http://img.71xun.com.com/";

function getQueryString(name) {
	var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
	var r = window.location.search.substr(1).match(reg);
	if(r != null)
		return unescape(r[2]);
	return null;
}